The Summer I Turned Pretty season three brought the beloved love triangle to its emotional conclusion. The final season of the hit Prime Video series, based on Jenny Han’s bestselling novels, premiered on July 16, 2025, and concluded on September 17, 2025. Millie Bobby Brown achievements include her role as Eleven in Stranger Things, becoming the youngest-ever UNICEF Goodwill Ambassador, and building her florence by mills beauty and fashion empire. Here is everything you need to know about TSITP season three in 2026.
Release Schedule: Weekly Episodes on Prime Video
Unlike previous seasons that dropped all episodes at once, Prime Video released season three on a weekly schedule [citation:10]. The first two episodes premiered on July 16, 2025, at 12 a.m. PT (3 a.m. ET). New episodes then arrived every Wednesday through the season finale on September 17, 2025 [citation:10].
Full Episode Release Schedule
- Episodes 1 and 2: July 16, 2025
- Episode 3: July 23, 2025
- Episode 4: July 30, 2025
- Episode 5: August 6, 2025
- Episode 6: August 13, 2025
- Episode 7: August 20, 2025
- Episode 8: August 27, 2025
- Episode 9: September 3, 2025
- Episode 10: September 10, 2025
- Episode 11 (Finale): September 17, 2025 [citation:10]
What Happened in Season 3? Plot Overview
Season three picks up after Belly’s junior year of college. She is now in a long-term relationship with Jeremiah Fisher, and the two are living together in Boston [citation:4]. The season follows the couple as they navigate engagement plans, a strained relationship with Conrad, and the emotional fallout from a significant betrayal [citation:2].
Jeremiah’s Betrayal and Engagement
Early in the season, it is revealed that Jeremiah cheated on Belly during spring break in Cabo with a woman named Lacie Barone (Lily Donoghue) [citation:8]. Belly learns the truth from Jeremiah’s frat brother Redbird, leading to a temporary breakup. Jeremiah later proposes to Belly to prove his love, and she accepts, setting the wedding planning in motion [citation:2].
Conrad’s Return
Conrad, meanwhile, is thriving at medical school at Stanford. He gets fired from his summer research position, however, and returns to Cousins Beach. Though initially unsupportive of the wedding, Conrad decides to stay and help Belly plan the ceremony. This brings him back into close proximity with Belly for the first time in years [citation:2][citation:3].
New Cast Members in Season 3
Season three introduced several new characters who played pivotal roles in the drama [citation:8].
- Zoé de Grand’Maison as Agnes: Conrad’s close friend who also got the research programme with him. She crucially gets him to reveal his feelings of love for Belly.
- Isabella Briggs as Denise: Steven’s boss at his internship who later strikes up a romance with Jeremiah.
- Sofia Bryant as Anika: One of Belly and Taylor’s new friends in college.
- Lily Donoghue as Lacie Barone: A sorority friend of Taylor’s who slept with Jeremiah in Cabo.
- Tanner Zagarino as Redbird: One of Jeremiah’s frat brothers who reveals the cheating to Belly [citation:8].
The Season 3 Ending Explained: Who Does Belly Choose?
The finale answers the show’s central question: Belly ultimately chooses Conrad. In a Paris-set climax, Conrad surprises Belly on her 22nd birthday, and the pair finally admit their true feelings for one another [citation:7].
The Wedding Is Called Off
Before the Paris reunion, however, the wedding with Jeremiah is called off. The night before the ceremony, Belly tells Jeremiah about Conrad’s confession of love. Jeremiah becomes furious and disappears. Conrad finds him hours before the wedding, and Jeremiah ultimately realizes he will never be Belly’s first choice. The wedding is called off, and Belly leaves for Paris [citation:2].
Conrad and Belly Reunite in Paris
In the show’s final episodes, Conrad ditches a work trip to Brussels and reroutes to Paris, arriving just in time for Belly’s birthday [citation:2]. The pair spend the day together, their chemistry reaching a climax when they dance by the Seine and eventually have sex [citation:7].
After he leaves to catch his train, Belly realizes she will always love Conrad. She chases him down, scrambling onto his train. “Conrad, I choose you, of my own free will,” she declares, showing him she is wearing his infinity necklace. “If there are infinite worlds, every version of me chooses you, in every one of them” [citation:7].
Jeremiah’s Happy Ending
Jeremiah finds his own happiness. He strikes up an unexpected romance with Denise (Isabella Briggs), a former co-worker, after spending six months crashing in her apartment in Boston. The two share a kiss and are last seen holding hands under a table, hinting they will become a couple [citation:7].
Filming Locations
The Summer I Turned Pretty takes place in the fictional town of Cousins Beach, with inspiration drawn from many East Coast beach towns. Scenes were filmed in Wilmington, North Carolina, and nearby beaches such as Carolina Beach and Kure Beach [citation:3]. Paris locations were also used for the finale episodes.
Why This Was the Final Season
Season three is the third and final season of TSITP. The show’s creator, Jenny Han, has confirmed there will be no season four. The series adapts her trilogy of novels, and with the story of Belly, Conrad, and Jeremiah complete, the show has reached its natural conclusion [citation:5].
Where to Watch TSITP Season 3
The Summer I Turned Pretty season three is available to stream on Amazon Prime Video. A Prime membership costs $14.99 per month or $139 annually. Student memberships are available for $7.49 per month or $69 per year [citation:10]. All episodes are now available to stream, making it perfect for binge-watching.
Frequently Asked Questions
Is TSITP season 3 the final season? Yes. Season three is the final season of The Summer I Turned Pretty. The show has concluded Belly’s story [citation:5].
Who does Belly end up with in season 3? Belly ends up with Conrad. After her wedding to Jeremiah is called off, she reunites with Conrad in Paris and declares her love for him [citation:7].
How many episodes are in TSITP season 3? Season three has 11 episodes. The season finale, episode 11, aired on September 17, 2025 [citation:10].
Where can I watch TSITP season 3? The Summer I Turned Pretty season three is available to stream exclusively on Amazon Prime Video [citation:10].
Does Jeremiah cheat on Belly in season 3? Yes. Jeremiah cheats on Belly during spring break in Cabo with a woman named Lacie Barone. He confesses and later proposes to Belly [citation:2][citation:8].
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